1. A current carrying wire has mass per unit length 4.26 g/m (recall that SI uni

Question

1. A current carrying wire has mass per unit length 4.26 g/m (recall that SI unit of mass is kg) and carries a 28.4 A current. When the wire is oriented so that the current flows to the right and placed in a uniform magnetic field, the current is in static equilibrium when it is 6.29 cm above the ground. Consider downward as the direction in which gravity acts on the wire. What is the magnitude of the magnetic field? Which of the following direction(s) are possible directions of the magnetic field in Question 1. There may be more than one correct answer. a) left b) right c) upward d) downward e) out of the page f) into the page

Explanation / Answer

ilB=mgl(m is mass per unit length)

B=mg/i

1.47x10^-3 T

direction of B is into the paper

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